49886213238 has 12 divisors (see below), whose sum is σ = 108086795388. Its totient is φ = 16628737740.

The previous prime is 49886213233. The next prime is 49886213243. The reversal of 49886213238 is 83231268894.

49886213238 is a `hidden beast` number, since 4 + 9 + 8 + 8 + 621 + 3 + 2 + 3 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (49886213233) and next prime (49886213243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49886213231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385728128 + ... + 1385728163.

It is an arithmetic number, because the mean of its divisors is an integer number (9007232949).

Almost surely, 2^49886213238 is an apocalyptic number.

49886213238 is an abundant number, since it is smaller than the sum of its proper divisors (58200582150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49886213238 is a wasteful number, since it uses less digits than its factorization.

49886213238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771456299 (or 2771456296 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 49886213238 in words is "forty-nine billion, eight hundred eighty-six million, two hundred thirteen thousand, two hundred thirty-eight".